Home / 143,737,539.70-215,606,309.55-97,821,037.30

Finding the Fourth Proportional to 143,737,539.70, 215,606,309.55 and 97,821,037.30

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Solution

The fourth proportional to 143,737,539.70, 215,606,309.55 and 97,821,037.30 is: 146,731,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,737,539.70 : 215,606,309.55 = 97,821,037.30 : x
  2. Step 2: Convert to fraction form
    143,737,539.70/215,606,309.55 = 97,821,037.30/x
  3. Step 3: Cross multiply
    143,737,539.70x = 215,606,309.55 × 97,821,037.30
  4. Step 4: Simplify right side
    143,737,539.70x = 21,090,832,848,605,896
  5. Step 5: Solve for x
    x = 21,090,832,848,605,896/143,737,539.70
  6. Step 6: Final answer
    x = 146,731,555.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.